In star fish the locomotary organs are
tube feet
lobopodia
cephalopodia
rhizopodia
Correct Answer :
D. rhizopodia
Related Questions
Madriporite or seive plate is found in
Sea hares
Brittle stars
Star fishes
Sea fish
A calcareous box like test is found in
sand dollar
sea cucumber
sea flies
sea horse
The locomotor organs of Echinoderms is called
parapodia
pseudopodia
setae
tube feet
Class Holothuroidea of phylum Echinodermat a includes
Sea stars
Cake urchins
Sea lilies
Sea cucumbers
The terrestrial species of Echinodermata is *
(a) Starfish
(b) Brittle star
(c) Sea lily
(d) None of these
Which of the following is a living fossil ?
Holothuria (sea cucumber)
Echinus (sea urchin)
Echittocardium (sand dollar)
Antedon (feather star)
In star fish the locomotary organs are
tube feet
lobopodia
cephalopodia
rhizopodia
Aristotle's Lantern is present in
Sea cucumber
Brittle star
Feather star
Both (b) and (c)
Star fishes are
herbivorous
omnivorous
carnivorous
none of these
A very well developed brain is present in
Starfish
Jellyfish
Cuttlefish
Fresh water mussel
The common name of Antedon is
Sea star
sea urchin
Sea cucumber
Feather star
Auricuiaria is the larva of
echinodea
holothuroidea
asteroidea
ophiuroidea
The star fish zygote develops into a
bipinnaria
glochidium
auralia
echinus
The Echinoderms are marine animals with
an exoskeleton
a spiny skin
bilateral symmetry
gastrovascular cavity
The larva that occurs in the development of Sea urchin is
pluteus
echinopluteus
bipinnaria
auricularia
Pentamerous echinoderms with five slender flexible arms sharply marked off from the central disc are
synapta and antedon
astrias and asterina
ophiothrix and ophioderma
all of these
Which is not true of Echinoderms?
Schizocoelic coelom
Water vascular system
Spines in the body mass
Marine habitat
Main difference between starfishes and brittle stars is in the
number of arms
structure of the ambulacral groove
tube feet
pedicellariae
The star fish's pyloric caeca are organs of
excretion
absorption
reproduction
respiration
Bipinnaria larva is found in the development of a
Sea-star
Star fish
Sea-cucumber
Sea lily
Madreporite is associated with
haemal system
digestive system
ambulacral system
reproductive system
The animal that moves with tube feet is
Snail
Slug
Nereis
Sea-urchin
Aristotle's lantern is
A fresh water echinoderm
An ancient Greak ship lantern shaped structure connected with balancing system of seal lily
A masticatory apparatus connected with digestive system in sea urchin
A seive plate connected with ambulacral system in sea star
The larvae of sea stars are
redia and cercaria
bipinnaria and brachiolaria
trochophore and aurecularia
none of these
The larva of holothuroide is
torneria
onchosphere
trochophore
bipinnaria
Animals which exhibit radial, pen-tamerous symmetry in adults, and bilateral symmetry amongst larvae, are
sea-hares
sea-stars
devil fish
sea fans
In which of the Echinoderm, the arms, spines and pedicellaria are absent ?
Sea cucumber
Sea lily
Sea urchin
Sea star
Stone canal in star fish is associated with
digestive system
water vascular system
canal system
none of these
The respiratory organs in a sea star are
ctenidia
dermal branchiae
book lungs
trachea
Water vascular system helps in
locomotion
respiration
feeding
all of these